... , the pould frame and so on Product Name:Hot rolled steel plateMain steel gradeExecutive standardP20 P80A ,WSM136A,618B,638B S45C-S55C ... conditionLR DNV BV NK KR ABS GL RINA IRSHot Rolled Steel PlateThickness12mm - 30mm , 30mm 160mmWidth x Length1500 3000mm x ... : ASTM A36, JISG3101, JISG3106, EN10025 , GB/T3274-2007Grade: Q235B, Q345B, ST37-2 A36 ,S235JR ,S275JR , SS400, SS500, Hot rolled steel plate